485 lines
20 KiB
JavaScript
485 lines
20 KiB
JavaScript
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/**
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* @license Highcharts JS v8.1.0 (2020-05-05)
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*
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* (c) 2010-2019 Highsoft AS
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* Author: Sebastian Domas
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*
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* License: www.highcharts.com/license
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*/
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'use strict';
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(function (factory) {
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if (typeof module === 'object' && module.exports) {
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factory['default'] = factory;
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module.exports = factory;
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} else if (typeof define === 'function' && define.amd) {
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define('highcharts/modules/histogram-bellcurve', ['highcharts'], function (Highcharts) {
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factory(Highcharts);
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factory.Highcharts = Highcharts;
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return factory;
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});
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} else {
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factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
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}
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}(function (Highcharts) {
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var _modules = Highcharts ? Highcharts._modules : {};
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function _registerModule(obj, path, args, fn) {
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if (!obj.hasOwnProperty(path)) {
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obj[path] = fn.apply(null, args);
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}
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}
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_registerModule(_modules, 'mixins/derived-series.js', [_modules['parts/Globals.js'], _modules['parts/Utilities.js']], function (H, U) {
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/* *
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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var addEvent = U.addEvent, defined = U.defined;
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var Series = H.Series, noop = H.noop;
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/* ************************************************************************** *
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*
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* DERIVED SERIES MIXIN
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*
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* ************************************************************************** */
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/**
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* Provides methods for auto setting/updating series data based on the based
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* series data.
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*
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* @private
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* @mixin derivedSeriesMixin
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*/
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var derivedSeriesMixin = {
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hasDerivedData: true,
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/* eslint-disable valid-jsdoc */
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/**
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* Initialise series
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*
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* @private
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* @function derivedSeriesMixin.init
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* @return {void}
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*/
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init: function () {
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Series.prototype.init.apply(this, arguments);
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this.initialised = false;
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this.baseSeries = null;
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this.eventRemovers = [];
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this.addEvents();
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},
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/**
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* Method to be implemented - inside the method the series has already
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* access to the base series via m `this.baseSeries` and the bases data is
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* initialised. It should return data in the format accepted by
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* `Series.setData()` method
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*
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* @private
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* @function derivedSeriesMixin.setDerivedData
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* @return {Array<Highcharts.PointOptionsType>}
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* An array of data
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*/
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setDerivedData: noop,
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/**
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* Sets base series for the series
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*
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* @private
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* @function derivedSeriesMixin.setBaseSeries
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* @return {void}
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*/
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setBaseSeries: function () {
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var chart = this.chart, baseSeriesOptions = this.options.baseSeries, baseSeries = (defined(baseSeriesOptions) &&
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(chart.series[baseSeriesOptions] ||
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chart.get(baseSeriesOptions)));
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this.baseSeries = baseSeries || null;
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},
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/**
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* Adds events for the series
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*
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* @private
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* @function derivedSeriesMixin.addEvents
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* @return {void}
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*/
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addEvents: function () {
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var derivedSeries = this, chartSeriesLinked;
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chartSeriesLinked = addEvent(this.chart, 'afterLinkSeries', function () {
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derivedSeries.setBaseSeries();
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if (derivedSeries.baseSeries && !derivedSeries.initialised) {
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derivedSeries.setDerivedData();
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derivedSeries.addBaseSeriesEvents();
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derivedSeries.initialised = true;
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}
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});
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this.eventRemovers.push(chartSeriesLinked);
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},
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/**
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* Adds events to the base series - it required for recalculating the data
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* in the series if the base series is updated / removed / etc.
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*
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* @private
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* @function derivedSeriesMixin.addBaseSeriesEvents
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* @return {void}
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*/
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addBaseSeriesEvents: function () {
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var derivedSeries = this, updatedDataRemover, destroyRemover;
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updatedDataRemover = addEvent(derivedSeries.baseSeries, 'updatedData', function () {
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derivedSeries.setDerivedData();
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});
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destroyRemover = addEvent(derivedSeries.baseSeries, 'destroy', function () {
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derivedSeries.baseSeries = null;
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derivedSeries.initialised = false;
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});
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derivedSeries.eventRemovers.push(updatedDataRemover, destroyRemover);
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},
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/**
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* Destroys the series
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*
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* @private
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* @function derivedSeriesMixin.destroy
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*/
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destroy: function () {
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this.eventRemovers.forEach(function (remover) {
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remover();
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});
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Series.prototype.destroy.apply(this, arguments);
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}
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/* eslint-disable valid-jsdoc */
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};
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return derivedSeriesMixin;
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});
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_registerModule(_modules, 'modules/histogram.src.js', [_modules['parts/Utilities.js'], _modules['mixins/derived-series.js']], function (U, derivedSeriesMixin) {
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/* *
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*
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* Copyright (c) 2010-2017 Highsoft AS
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* Author: Sebastian Domas
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*
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* License: www.highcharts.com/license
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*
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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*
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* */
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var arrayMax = U.arrayMax, arrayMin = U.arrayMin, correctFloat = U.correctFloat, isNumber = U.isNumber, merge = U.merge, objectEach = U.objectEach, seriesType = U.seriesType;
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/* ************************************************************************** *
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* HISTOGRAM
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* ************************************************************************** */
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/**
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* A dictionary with formulas for calculating number of bins based on the
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* base series
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**/
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var binsNumberFormulas = {
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'square-root': function (baseSeries) {
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return Math.ceil(Math.sqrt(baseSeries.options.data.length));
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},
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'sturges': function (baseSeries) {
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return Math.ceil(Math.log(baseSeries.options.data.length) * Math.LOG2E);
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},
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'rice': function (baseSeries) {
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return Math.ceil(2 * Math.pow(baseSeries.options.data.length, 1 / 3));
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}
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};
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/**
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* Returns a function for mapping number to the closed (right opened) bins
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* @private
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* @param {Array<number>} bins - Width of the bins
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* @return {Function}
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**/
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function fitToBinLeftClosed(bins) {
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return function (y) {
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var i = 1;
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while (bins[i] <= y) {
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i++;
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}
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return bins[--i];
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};
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}
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/**
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* Histogram class
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* @private
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* @class
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* @name Highcharts.seriesTypes.histogram
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* @augments Highcharts.Series
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*/
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seriesType('histogram', 'column',
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/**
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* A histogram is a column series which represents the distribution of the
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* data set in the base series. Histogram splits data into bins and shows
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* their frequencies.
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*
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* @sample {highcharts} highcharts/demo/histogram/
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* Histogram
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*
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* @extends plotOptions.column
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* @excluding boostThreshold, dragDrop, pointInterval, pointIntervalUnit,
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* stacking
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* @product highcharts
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* @since 6.0.0
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* @requires modules/histogram
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* @optionparent plotOptions.histogram
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*/
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{
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/**
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* A preferable number of bins. It is a suggestion, so a histogram may
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* have a different number of bins. By default it is set to the square
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* root of the base series' data length. Available options are:
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* `square-root`, `sturges`, `rice`. You can also define a function
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* which takes a `baseSeries` as a parameter and should return a
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* positive integer.
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*
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* @type {"square-root"|"sturges"|"rice"|number|function}
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*/
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binsNumber: 'square-root',
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/**
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* Width of each bin. By default the bin's width is calculated as
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* `(max - min) / number of bins`. This option takes precedence over
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* [binsNumber](#plotOptions.histogram.binsNumber).
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*
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* @type {number}
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*/
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binWidth: void 0,
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pointPadding: 0,
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groupPadding: 0,
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grouping: false,
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pointPlacement: 'between',
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tooltip: {
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headerFormat: '',
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pointFormat: ('<span style="font-size: 10px">{point.x} - {point.x2}' +
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'</span><br/>' +
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'<span style="color:{point.color}">\u25CF</span>' +
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' {series.name} <b>{point.y}</b><br/>')
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}
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}, merge(derivedSeriesMixin, {
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setDerivedData: function () {
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var yData = this.baseSeries.yData;
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if (!yData.length) {
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return;
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}
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var data = this.derivedData(yData, this.binsNumber(), this.options.binWidth);
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this.setData(data, false);
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},
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derivedData: function (baseData, binsNumber, binWidth) {
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var series = this, max = arrayMax(baseData),
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// Float correction needed, because first frequency value is not
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// corrected when generating frequencies (within for loop).
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min = correctFloat(arrayMin(baseData)), frequencies = [], bins = {}, data = [], x, fitToBin;
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binWidth = series.binWidth = series.options.pointRange = (correctFloat(isNumber(binWidth) ?
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(binWidth || 1) :
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(max - min) / binsNumber));
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// If binWidth is 0 then max and min are equaled,
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// increment the x with some positive value to quit the loop
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for (x = min;
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// This condition is needed because of the margin of error while
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// operating on decimal numbers. Without that, additional bin
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// was sometimes noticeable on the graph, because of too small
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// precision of float correction.
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x < max &&
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(series.userOptions.binWidth ||
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correctFloat(max - x) >= binWidth ||
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// #13069 - Every add and subtract operation should
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// be corrected, due to general problems with
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// operations on float numbers in JS.
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correctFloat(correctFloat(min + (frequencies.length * binWidth)) -
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x) <= 0); x = correctFloat(x + binWidth)) {
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frequencies.push(x);
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bins[x] = 0;
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}
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if (bins[min] !== 0) {
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frequencies.push(correctFloat(min));
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bins[correctFloat(min)] = 0;
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}
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fitToBin = fitToBinLeftClosed(frequencies.map(function (elem) {
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return parseFloat(elem);
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}));
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baseData.forEach(function (y) {
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var x = correctFloat(fitToBin(y));
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bins[x]++;
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});
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objectEach(bins, function (frequency, x) {
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data.push({
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x: Number(x),
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y: frequency,
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x2: correctFloat(Number(x) + binWidth)
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});
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});
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data.sort(function (a, b) {
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return a.x - b.x;
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});
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return data;
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},
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binsNumber: function () {
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var binsNumberOption = this.options.binsNumber;
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var binsNumber = binsNumberFormulas[binsNumberOption] ||
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// #7457
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(typeof binsNumberOption === 'function' && binsNumberOption);
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return Math.ceil((binsNumber && binsNumber(this.baseSeries)) ||
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(isNumber(binsNumberOption) ?
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binsNumberOption :
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binsNumberFormulas['square-root'](this.baseSeries)));
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}
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}));
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/**
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* A `histogram` series. If the [type](#series.histogram.type) option is not
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* specified, it is inherited from [chart.type](#chart.type).
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*
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* @extends series,plotOptions.histogram
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* @excluding data, dataParser, dataURL
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* @product highcharts
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* @since 6.0.0
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* @requires modules/histogram
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* @apioption series.histogram
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*/
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/**
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* An integer identifying the index to use for the base series, or a string
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* representing the id of the series.
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*
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* @type {number|string}
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* @apioption series.histogram.baseSeries
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*/
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''; // adds doclets above to transpiled file
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});
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_registerModule(_modules, 'modules/bellcurve.src.js', [_modules['parts/Utilities.js'], _modules['mixins/derived-series.js']], function (U, derivedSeriesMixin) {
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/* *
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||
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*
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* (c) 2010-2020 Highsoft AS
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*
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* Author: Sebastian Domas
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*
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||
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* License: www.highcharts.com/license
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||
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*
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||
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* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
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||
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*
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||
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* */
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||
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var correctFloat = U.correctFloat, isNumber = U.isNumber, merge = U.merge, seriesType = U.seriesType;
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/* ************************************************************************** *
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* BELL CURVE *
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* ************************************************************************** */
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/* eslint-disable valid-jsdoc */
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||
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/**
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||
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* @private
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||
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*/
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function mean(data) {
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var length = data.length, sum = data.reduce(function (sum, value) {
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return (sum += value);
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}, 0);
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return length > 0 && sum / length;
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}
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/**
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* @private
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*/
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function standardDeviation(data, average) {
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var len = data.length, sum;
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average = isNumber(average) ? average : mean(data);
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sum = data.reduce(function (sum, value) {
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var diff = value - average;
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return (sum += diff * diff);
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}, 0);
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return len > 1 && Math.sqrt(sum / (len - 1));
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}
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/**
|
||
|
|
* @private
|
||
|
|
*/
|
||
|
|
function normalDensity(x, mean, standardDeviation) {
|
||
|
|
var translation = x - mean;
|
||
|
|
return Math.exp(-(translation * translation) /
|
||
|
|
(2 * standardDeviation * standardDeviation)) / (standardDeviation * Math.sqrt(2 * Math.PI));
|
||
|
|
}
|
||
|
|
/* eslint-enable valid-jsdoc */
|
||
|
|
/**
|
||
|
|
* Bell curve class
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @class
|
||
|
|
* @name Highcharts.seriesTypes.bellcurve
|
||
|
|
*
|
||
|
|
* @augments Highcharts.Series
|
||
|
|
*/
|
||
|
|
seriesType('bellcurve', 'areaspline'
|
||
|
|
/**
|
||
|
|
* A bell curve is an areaspline series which represents the probability
|
||
|
|
* density function of the normal distribution. It calculates mean and
|
||
|
|
* standard deviation of the base series data and plots the curve according
|
||
|
|
* to the calculated parameters.
|
||
|
|
*
|
||
|
|
* @sample {highcharts} highcharts/demo/bellcurve/
|
||
|
|
* Bell curve
|
||
|
|
*
|
||
|
|
* @extends plotOptions.areaspline
|
||
|
|
* @since 6.0.0
|
||
|
|
* @product highcharts
|
||
|
|
* @excluding boostThreshold, connectNulls, dragDrop, stacking,
|
||
|
|
* pointInterval, pointIntervalUnit
|
||
|
|
* @requires modules/bellcurve
|
||
|
|
* @optionparent plotOptions.bellcurve
|
||
|
|
*/
|
||
|
|
, {
|
||
|
|
/**
|
||
|
|
* This option allows to define the length of the bell curve. A unit of
|
||
|
|
* the length of the bell curve is standard deviation.
|
||
|
|
*
|
||
|
|
* @sample highcharts/plotoptions/bellcurve-intervals-pointsininterval
|
||
|
|
* Intervals and points in interval
|
||
|
|
*/
|
||
|
|
intervals: 3,
|
||
|
|
/**
|
||
|
|
* Defines how many points should be plotted within 1 interval. See
|
||
|
|
* `plotOptions.bellcurve.intervals`.
|
||
|
|
*
|
||
|
|
* @sample highcharts/plotoptions/bellcurve-intervals-pointsininterval
|
||
|
|
* Intervals and points in interval
|
||
|
|
*/
|
||
|
|
pointsInInterval: 3,
|
||
|
|
marker: {
|
||
|
|
enabled: false
|
||
|
|
}
|
||
|
|
}, merge(derivedSeriesMixin, {
|
||
|
|
setMean: function () {
|
||
|
|
this.mean = correctFloat(mean(this.baseSeries.yData));
|
||
|
|
},
|
||
|
|
setStandardDeviation: function () {
|
||
|
|
this.standardDeviation = correctFloat(standardDeviation(this.baseSeries.yData, this.mean));
|
||
|
|
},
|
||
|
|
setDerivedData: function () {
|
||
|
|
if (this.baseSeries.yData.length > 1) {
|
||
|
|
this.setMean();
|
||
|
|
this.setStandardDeviation();
|
||
|
|
this.setData(this.derivedData(this.mean, this.standardDeviation), false);
|
||
|
|
}
|
||
|
|
return (void 0);
|
||
|
|
},
|
||
|
|
derivedData: function (mean, standardDeviation) {
|
||
|
|
var intervals = this.options.intervals, pointsInInterval = this.options.pointsInInterval, x = mean - intervals * standardDeviation, stop = intervals * pointsInInterval * 2 + 1, increment = standardDeviation / pointsInInterval, data = [], i;
|
||
|
|
for (i = 0; i < stop; i++) {
|
||
|
|
data.push([x, normalDensity(x, mean, standardDeviation)]);
|
||
|
|
x += increment;
|
||
|
|
}
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
}));
|
||
|
|
/**
|
||
|
|
* A `bellcurve` series. If the [type](#series.bellcurve.type) option is not
|
||
|
|
* specified, it is inherited from [chart.type](#chart.type).
|
||
|
|
*
|
||
|
|
* For options that apply to multiple series, it is recommended to add
|
||
|
|
* them to the [plotOptions.series](#plotOptions.series) options structure.
|
||
|
|
* To apply to all series of this specific type, apply it to
|
||
|
|
* [plotOptions.bellcurve](#plotOptions.bellcurve).
|
||
|
|
*
|
||
|
|
* @extends series,plotOptions.bellcurve
|
||
|
|
* @since 6.0.0
|
||
|
|
* @product highcharts
|
||
|
|
* @excluding dataParser, dataURL, data
|
||
|
|
* @requires modules/bellcurve
|
||
|
|
* @apioption series.bellcurve
|
||
|
|
*/
|
||
|
|
/**
|
||
|
|
* An integer identifying the index to use for the base series, or a string
|
||
|
|
* representing the id of the series.
|
||
|
|
*
|
||
|
|
* @type {number|string}
|
||
|
|
* @apioption series.bellcurve.baseSeries
|
||
|
|
*/
|
||
|
|
''; // adds doclets above to transpiled file
|
||
|
|
|
||
|
|
});
|
||
|
|
_registerModule(_modules, 'masters/modules/histogram-bellcurve.src.js', [], function () {
|
||
|
|
|
||
|
|
|
||
|
|
});
|
||
|
|
}));
|